32 lines
789 B
Rust
32 lines
789 B
Rust
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use std::process::{exit, Command, Stdio};
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use nix::sys::wait::waitpid;
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use nix::unistd::{fork, ForkResult};
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/// Performs a double fork with setsid to spawn and detach a command.
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pub fn spawn(mut command: Command) {
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command
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.stdin(Stdio::null())
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.stdout(Stdio::null())
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.stderr(Stdio::null());
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unsafe {
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match fork() {
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Ok(ForkResult::Parent { child }) => {
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let _res = waitpid(Some(child), None);
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}
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Ok(ForkResult::Child) => {
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let _res = nix::unistd::setsid();
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let _res = command.spawn();
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exit(0);
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}
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Err(why) => {
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println!("failed to fork and spawn command: {}", why.desc());
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}
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}
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}
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}
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